How far is Alpena, MI, from Brownsville, TX?
The distance between Brownsville (Brownsville/South Padre Island International Airport) and Alpena (Alpena County Regional Airport) is 1531 miles / 2463 kilometers / 1330 nautical miles.
The driving distance from Brownsville (BRO) to Alpena (APN) is 1821 miles / 2931 kilometers, and travel time by car is about 34 hours 20 minutes.
Brownsville/South Padre Island International Airport – Alpena County Regional Airport
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Distance from Brownsville to Alpena
There are several ways to calculate the distance from Brownsville to Alpena. Here are two standard methods:
Vincenty's formula (applied above)- 1530.557 miles
- 2463.192 kilometers
- 1330.017 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 1532.180 miles
- 2465.804 kilometers
- 1331.428 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
How long does it take to fly from Brownsville to Alpena?
The estimated flight time from Brownsville/South Padre Island International Airport to Alpena County Regional Airport is 3 hours and 23 minutes.
What is the time difference between Brownsville and Alpena?
The time difference between Brownsville and Alpena is 1 hour. Alpena is 1 hour ahead of Brownsville.
Flight carbon footprint between Brownsville/South Padre Island International Airport (BRO) and Alpena County Regional Airport (APN)
On average, flying from Brownsville to Alpena generates about 181 kg of CO2 per passenger, and 181 kilograms equals 400 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Brownsville to Alpena
See the map of the shortest flight path between Brownsville/South Padre Island International Airport (BRO) and Alpena County Regional Airport (APN).
Airport information
Origin | Brownsville/South Padre Island International Airport |
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City: | Brownsville, TX |
Country: | United States ![]() |
IATA Code: | BRO |
ICAO Code: | KBRO |
Coordinates: | 25°54′24″N, 97°25′33″W |
Destination | Alpena County Regional Airport |
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City: | Alpena, MI |
Country: | United States ![]() |
IATA Code: | APN |
ICAO Code: | KAPN |
Coordinates: | 45°4′41″N, 83°33′37″W |